Spray head of a rotary type electrostatic spray painting device
AssigneeToyota Jidosha Kabushiki Kaisha
InventorsHitoshi Takeuchi, Iwao Nomura, Yasuo Tokushima, Koji Ota, Naoki Yamada
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Abstract
A spray head of rotating type electrostatic spray painting device comprises a cup shaped inner circumferential wall and a tip portion from which paint particles are discharged. The outer periphery of the tip portion is formed as an annular flat face perpendicular to the rotating axis of the spray head. The inner periphery of the tip portion is formed as a conical face which diverges toward the outside of the spray head. A plurality of paint guide grooves are formed on only the inner periphery of the conical face.
Claims9
A spray head of a rotary type electrostatic spray painting device, comprising a cup shaped inner circumferential wall and a tip portion formed at an end of said cup shaped inner circumferential wall, said tip portion comprising:
- an annular flat face portion perpendicular to a rotating axis of the spray head and located at an outer periphery of said tip portion;
- a conical face portion extending from an inner peripheral end of said annular flat face portion to said cup shaped inner circumferential wall and diverging toward an outside of the spray head;
- and a plurality of paint guide grooves formed on an inner peripheral portion of said conical face portion and connected to said cup shaped inner circumferential wall, said conical face portion having a conically shaped paint guide face portion positioned between said annular flat face portion and said paint guide grooves.
Dependencies are inferred from the claim text.